JPH0430597B2 - - Google Patents
Info
- Publication number
- JPH0430597B2 JPH0430597B2 JP58230479A JP23047983A JPH0430597B2 JP H0430597 B2 JPH0430597 B2 JP H0430597B2 JP 58230479 A JP58230479 A JP 58230479A JP 23047983 A JP23047983 A JP 23047983A JP H0430597 B2 JPH0430597 B2 JP H0430597B2
- Authority
- JP
- Japan
- Prior art keywords
- function
- waveform
- musical
- data
- tone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000006870 function Effects 0.000 claims description 79
- 230000015654 memory Effects 0.000 claims description 55
- 230000004044 response Effects 0.000 claims description 21
- 238000004364 calculation method Methods 0.000 claims description 19
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 36
- 230000005428 wave function Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 102000003712 Complement factor B Human genes 0.000 description 2
- 108090000056 Complement factor B Proteins 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012886 linear function Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
- G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
- G10H7/10—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients
- G10H7/105—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients using Fourier coefficients
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/447,080 US4453441A (en) | 1982-12-06 | 1982-12-06 | Frequency modulator for an electronic musical instrument |
| US447080 | 1982-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59111695A JPS59111695A (ja) | 1984-06-27 |
| JPH0430597B2 true JPH0430597B2 (zh) | 1992-05-22 |
Family
ID=23774931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58230479A Granted JPS59111695A (ja) | 1982-12-06 | 1983-12-05 | 電子楽器用周波数変調器 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4453441A (zh) |
| JP (1) | JPS59111695A (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813326A (en) * | 1984-07-16 | 1989-03-21 | Yamaha Corporation | Method and apparatus for synthesizing music tones with high harmonic content |
| US4579032A (en) * | 1984-09-10 | 1986-04-01 | Kawai Musical Instrument Mfg. Co., Ltd | Computation time reduction in a polyphonic tone synthesizer |
| US4608903A (en) * | 1984-09-19 | 1986-09-02 | Kawai Musical Instrument Mfg. Co., Ltd. | Single side-band harmonic extension in a polyphonic tone synthesizer |
| US4656912A (en) * | 1985-09-30 | 1987-04-14 | Kawai Musical Instrument Mfg. Co., Ltd. | Tone synthesis using harmonic time series modulation |
| US5719345A (en) * | 1995-11-13 | 1998-02-17 | Opti Inc. | Frequency modulation system and method for audio synthesis |
| US5639979A (en) * | 1995-11-13 | 1997-06-17 | Opti Inc. | Mode selection circuitry for use in audio synthesis systems |
| US5596159A (en) * | 1995-11-22 | 1997-01-21 | Invision Interactive, Inc. | Software sound synthesis system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550299A (en) * | 1978-10-06 | 1980-04-11 | Nippon Musical Instruments Mfg | Tone generator for electronic musical instrument |
-
1982
- 1982-12-06 US US06/447,080 patent/US4453441A/en not_active Expired - Fee Related
-
1983
- 1983-12-05 JP JP58230479A patent/JPS59111695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59111695A (ja) | 1984-06-27 |
| US4453441A (en) | 1984-06-12 |
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